Here's what rhymes with formational.
operational vocational relational rotational locational subnational variational occupational sensational situational vibrational foundational generational correlational ideational mutational aberrational probational educational organizational recreational informational motivational observational organisational conformational gestational inspirational navigational translational associational avocational invitational computational gravitational conversational denominational congregational confrontational nonoperational nonvocational transformational coeducational noneducational nonoccupational representational intergenerational improvisational nondenominational interdenominational nonrepresentational Words that almost rhyme with formational
occasional capable payable insatiable saleable salable bailable available incapable attainable changeable unshakable repayable unshakeable breakable trainable unsaleable assailable unsalable claimable gradable resalable obtainable sustainable traceable unavailable debatable unattainable unchangeable unassailable inflatable maintainable unbreakable erasable irreclaimable reclaimable mistakable conveyable inescapable ascertainable explainable unobtainable replaceable degradable untraceable persuadable embraceable nonbreakable unmistakable interchangeable exchangeable irreplaceable unsustainable biodegradable microwavable nonexchangeable noninterchangeable